The House Bunny (2008)

When Shelly, a Playboy bunny, is tossed out of the mansion, she has nowhere to go until she falls in with the sorority girls from Zeta Alpha Zeta. The members of the sorority - who also have got to be the seven most socially clueless women on the planet - are about to lose their house. They need a dose of what only the eternally bubbly Shelley can provide...